Relevance Feedback and Query Expansion Local method: Relevance Feedback Relevance feedback We will use ad hoc retrieval to refer to regular retrieval without relevance feedback We now look at some examples of relevance feedback that highlight different aspectsRelevance Feedback and Query Expansion Relevance feedback ▪ We will use ad hoc retrieval to refer to regular retrieval without relevance feedback. ▪ We now look at some examples of relevance feedback that highlight different aspects. Local Method: Relevance Feedback 8